Many web apps make it possible for you to login in order for you to do something on the site (heart it, fave it, etc.) but if you login from a permalink, it doesn't redirect you to that permalink. Here's the general pattern I expect:
When logged out of the site, I visit the permalink to a single entry, like a tweet on Twitter or an article on Medium.
I'm usually unable to do something on that single entry, but sometimes a heart shows, or a star button, etc. Clicking that usually redirects me to a login page.
What should happen after I login is:
Redirect back to the single entry URL.
Ask to confirm the action I want to do and tell me which account I'm doing it from. Maybe I logged into the wrong account (the work account instead of the personal account).
What happens:
Visit https://speakerdeck.com/bmann/ubc-eprojects-pitch-advice-oct-2015
Click "Sign In"
Login with credentials.
Get redirected to https://speakerdeck.com/[your username]
Expected behaviour:
I should get redirected to https://speakerdeck.com/bmann/ubc-eprojects-pitch-advice-oct-2015 where I can act on it (share it, star it, etc.)